Question

Refractive index of a solid is observed to have the same value along all directions. Comment on the nature of this solid. Would it show cleavage property?

Answer 1

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Isotropic solid has same value of reflective index in all the direction.

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• All isotropic solid are amorphous solid.

• Amorphous solid cuts into two pieces with irregular surfaces.

• Therefore,.Amorphous solid does not show the cleavage property.

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Answer 2

All isotropic solid are amorphous solid.

Amorphous solid cuts into two pieces with irregular surfaces.

Therefore,.Amorphous solid does not show the cleavage property.